When was Ioxus founded?

Ioxus was founded in 2007 and raised its 1st funding round 4 years after it was founded.

Where is Ioxus located?

Ioxus is headquartered in Oneonta, United States.

How many employees does Ioxus have?

As of Jul 31, 2026, the latest employee count at Ioxus is 31.

Is Ioxus a funded company?

Ioxus is a funded company, having raised a total of $58.5M across 9 funding rounds to date. The company's 1st funding round was a $***** Series B round, raised on Mar 03, 2011.

When was the latest funding round of Ioxus?

Ioxus' latest funding was a $***** Conventional Debt round on Apr 04, 2019, with participation from 0 investor. Its primary sector is Energy Storage Tech. In United States, the Energy Storage Tech sector has seen $4.78B in funding in 2026 to date.

Where does Ioxus rank among its competitors?

Ioxus ranks 96th amongst 1552 active competitors, of which 134 are funded. It stands 7th in terms of total funding among its competitors. The most recent competitor to raise funding was Emo Energy, which secured $6.2M in May, 2026.

Who are the top competitors of Ioxus?

Ioxus' top competitors include A123 Systems, QuantumScape and SES Technologies. Among them, Emo Energy secured the most recent funding round in May, 2026.

Ioxus - 2026 Company Profile, Funding & Competitors

Ioxus is an acquired company based in Oneonta (United States), founded in 2007. It operates as a Manufacturer of ultracapacitor cells, modules, and power delivery systems. Ioxus has raised $58.5M in funding from investors like Braemar Energy Ventures, Aster and The Westly Group. The company has 1552 active competitors, including 134 funded and 131 that have exited. Its top competitors include companies like A123 Systems, QuantumScape and SES Technologies.

Company Details

Manufacturer of ultracapacitor cells, modules, and power delivery systems. These products provide reliable energy storage solutions for transportation, industrial, and grid-connected applications. The company offers support, knowledge base, and frequently asked questions resources. They provide various services, applications, and technology information.

Website: ioxus.com
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Key Metrics

Founded Year

2007

Location

Oneonta, United States

Stage

Acquired

Total Funding

$58.5M in 9 rounds

Latest Funding Round

Conventional Debt, Apr 04, 2019, $*****

Investors

Braemar Energy Ventures & 14 more

Ranked

96^th among 1552 active competitors

Employee Count

31 as on Jul 31, 2026

Investment & Acquisitions

Advanced Energy Conversion

Similar Companies

Neuron Energy & 108 more

Exit Details

Acquired by XS Power Batteries (Apr 08, 2020)

View Ioxus' full profile

Ioxus is associated with 1 legal entity given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
IOXUS, INC. CIN: 51-0627446 , United States, Active	Feb 04, 2007	-	36 (As on Dec 31, 2019)	-

Ioxus got acquired by XS Power Batteries on Apr 08, 2020.

Click here to take a look at Ioxus's acquisition in detail

Ioxus has raised a total funding of $58.5M over 9 rounds. Its first funding round was on Mar 03, 2011. Ioxus has 15 institutional investors.

Here is the list of recent funding rounds of Ioxus:

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Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Apr 04, 2019	8024424	Conventional Debt	9841333	2435182	6817748	3698403
Dec 10, 2018	7691665	Series C	1698385	5054870	7906496	4785207
Mar 12, 2018	6478667	Series C	8756196	2998941	1237589	9958274

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View details of Ioxus's funding rounds and investors

Ioxus' employee count trend

Ioxus has 31 employees as of Jul 26. Here is Ioxus's employee count trend over the years:

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Top competitors of Ioxus include A123 Systems, QuantumScape and SES Technologies. Here is the list of Top 10 competitors of Ioxus, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	A123 Systems 2001, Hangzhou (China), Public	Manufacturer of automotive lithium-ion batteries	$201M	General Electric, Qualcomm Ventures & 19 others	76/100
2nd	QuantumScape 2010, San Jose (United States), Public	Developer of solid-state lithium-metal battery technology for electric vehicle applications	$1B	Volkswagen Group, Toyota Motor & 16 others	73/100
3rd	SES Technologies 2012, Woburn (United States), Public	Developer of Li-Metal batteries and AI-powered battery management solutions	$336M	Temasek, Applied Materials & 16 others	72/100
4th	Sunwoda Electronic 1997, Shenzhen (China), Public	Manufacturer of lithium-ion batteries, energy storage systems, and related hardware	-	Broad Vision Funds, Cygnus Equity & 8 others	71/100
5th	24m Technologies 2010, Cambridge (United States), Series H	Developer of battery technology for electric vehicles and energy storage	$500M	ITOCHU, North Bridge Venture Partners & 20 others	69/100
6th	Neuron Energy 2018, Mumbai (India), Series A	Manufacturer of lithium-ion batteries for electric vehicles and energy storage	$9.61M	Equanimity Investments, Chona Family Office ... & 53 others	69/100
7th	InoBat 2019, Bratislava (Slovakia), Series B	Developer of battery solutions for energy security and sustainable e-mobility	$148M	Rio Tinto, IPM Group & 9 others	68/100
8th	Verkor 2020, Grenoble (France), Series C	Manufacturer of lithium ion battery cells for electric vehicle mobility	$1.34B	Renault, EQT & 37 others	68/100
9th	Contemporary Amperex Technology 2011, Ningde (China), Public	Manufacturer of battery systems for electric vehicles and energy storage	-	Fortera Capital, Strait Huifu Industrial Investment Fund Management ... & 18 others	67/100
10th	Emo Energy 2022, Bengaluru (India), Series A	Provider of energy management systems integrating battery technology and charging hardware	$14.1M	Subhkam Ventures, Gruhas & 49 others	67/100
96th	Ioxus 2007, Oneonta (United States), Acquired	Manufacturer of ultracapacitor cells, modules, and power delivery systems	$58.5M	Ares Capital Corporation, NRG Energy & 13 others	47/100